/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package com.merashehar.servlet;

import com.merashehar.contants.MerasheharContants;
import com.merashehar.db.util.ConnectionManager;
import com.merashehar.db.util.DatabaseHandler;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.ResultSet;
import java.sql.SQLException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author binkam
 */
public class SubCategoryServlet extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
         ConnectionManager connectionManager = new ConnectionManager();
         DatabaseHandler databaseHandler = new DatabaseHandler();
         String catId=request.getParameter("catid");
         ResultSet resultSet = databaseHandler.getResultSet(MerasheharContants.findSubCategoryForCategory.replace("?", catId), connectionManager.getConnection());
         StringBuilder category_div =new StringBuilder();
         
         category_div.append("<ul>");
         try{
         while(resultSet.next()){
             category_div.append("<li id='"+resultSet.getString("subcategory_id")+"' onclick='selectedSubCategory=this.id;loadItems();'>"+resultSet.getString("subcategory_name") +"</li>");
         }
         }catch(SQLException exception)
         {
             exception.printStackTrace();
         }
         category_div.append("</ul>");
         out.write(category_div.toString());
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
